(19)

(11)

EP 2 069 939 A1

(12)

(43) Date of publication: 17.06.2009 Bulletin 2009/25 (21) Application number: 07797395.6 (22) Date of filing: 09.05.2007

(51) International Patent Classification (IPC):  G06F 12/02(2006.01) G06F 3/06(2006.01) (86) International application number: PCT/US2007/068606 (87) International publication number: WO 2008/042467 (10.04.2008 Gazette 2008/15)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 28.09.2006 US 536158 28.09.2006 US 536192 (71) Applicant: Sandisk Corporation Milpitas, CA 95035 (US)	(72) Inventor: ELHAMIAS, Reuven Sunnyvale, CA 94087 (US) (74) Representative: Hitchcock, Esmond Antony  Marks & Clerk LLP 90 Long Acre London WC2E 9RA London WC2E 9RA (GB)